#include<iostream>
#include<string>

using std::cout;
using std::cin;
using std::endl;
using std::string;
using std::pair;

int main()
{
	pair<string,int> max_duplicated;
	int count = 0;
	for(string str, prestr; cin >> str; prestr = str)
	{
		if(str == prestr) ++count;
		else count = 0;
		if(count > max_duplicated.second) max_duplicated = {prestr , count};
	}
	
	if(max_duplicated.first.empty()) cout << "There's no duplicated string." << endl;
	else cout << "the word " << max_duplicated.first << " occurred " << max_duplicated.second + 1 << " times. " << endl;
	
	return 0;
}
